Home / 85,320.96-127,926.76-35,435.49

Finding the Fourth Proportional to 85,320.96, 127,926.76 and 35,435.49

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Solution

The fourth proportional to 85,320.96, 127,926.76 and 35,435.49 is: 53,130.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,320.96 : 127,926.76 = 35,435.49 : x
  2. Step 2: Convert to fraction form
    85,320.96/127,926.76 = 35,435.49/x
  3. Step 3: Cross multiply
    85,320.96x = 127,926.76 × 35,435.49
  4. Step 4: Simplify right side
    85,320.96x = 4,533,147,424.71
  5. Step 5: Solve for x
    x = 4,533,147,424.71/85,320.96
  6. Step 6: Final answer
    x = 53,130.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.